19082581040

素因数分解:

$2^4\times 5^1\times {\mathrm{1949}}^1\times {\mathrm{122387}}^1$

素因数の和:124349

約数の個数: 40

約数和(自身を含む): 44390127600

約数和(自身を除く): 25307546560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1949, 3898, 7796, 9745, 15592, 19490, 31184, 38980, 77960, 122387, 155920, 244774, 489548, 611935, 979096, 1223870, 1958192, 2447740, 4895480, 9790960, 238532263, 477064526, 954129052, 1192661315, 1908258104, 2385322630, 3816516208, 4770645260, 9541290520, 19082581040]

約数ペア:

[(1, 19082581040), (2, 9541290520), (4, 4770645260), (5, 3816516208), (8, 2385322630), (10, 1908258104), (16, 1192661315), (20, 954129052), (40, 477064526), (80, 238532263), (1949, 9790960), (3898, 4895480), (7796, 2447740), (9745, 1958192), (15592, 1223870), (19490, 979096), (31184, 611935), (38980, 489548), (77960, 244774), (122387, 155920)]